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Mirrors > Home > ILE Home > Th. List > elfz2 | Unicode version |
Description: Membership in a finite
set of sequential integers. We use the fact that
an operation's value is empty outside of its domain to show ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
elfz2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anass 401 |
. 2
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2 | df-3an 980 |
. . 3
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3 | 2 | anbi1i 458 |
. 2
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4 | df-fz 10012 |
. . . 4
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5 | 4 | elmpocl 6072 |
. . 3
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6 | simpl 109 |
. . 3
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7 | elfz1 10016 |
. . . 4
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8 | 3anass 982 |
. . . . 5
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9 | ibar 301 |
. . . . 5
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10 | 8, 9 | bitrid 192 |
. . . 4
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11 | 7, 10 | bitrd 188 |
. . 3
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12 | 5, 6, 11 | pm5.21nii 704 |
. 2
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13 | 1, 3, 12 | 3bitr4ri 213 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pow 4176 ax-pr 4211 ax-setind 4538 ax-cnex 7905 ax-resscn 7906 |
This theorem depends on definitions: df-bi 117 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2741 df-sbc 2965 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-br 4006 df-opab 4067 df-id 4295 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-iota 5180 df-fun 5220 df-fv 5226 df-ov 5881 df-oprab 5882 df-mpo 5883 df-neg 8134 df-z 9257 df-fz 10012 |
This theorem is referenced by: elfzd 10019 elfz4 10021 elfzuzb 10022 uzsubsubfz 10050 fzmmmeqm 10061 fzpreddisj 10074 elfz1b 10093 fzp1nel 10107 elfz0ubfz0 10128 elfz0fzfz0 10129 fz0fzelfz0 10130 fz0fzdiffz0 10133 elfzmlbp 10135 fzind2 10242 iseqf1olemqcl 10489 iseqf1olemnab 10491 iseqf1olemab 10492 seq3f1olemqsumkj 10501 seq3f1olemqsumk 10502 summodclem2a 11392 fsum3 11398 fsum3cvg3 11407 fsumcl2lem 11409 fsumadd 11417 fsummulc2 11459 prodmodclem3 11586 prodmodclem2a 11587 fprodntrivap 11595 fprodeq0 11628 isprm5 12145 |
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